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Finding the Fourth Proportional to 544,980.12, 817,504.74 and 171,017.88

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Solution

The fourth proportional to 544,980.12, 817,504.74 and 171,017.88 is: 256,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,980.12 : 817,504.74 = 171,017.88 : x
  2. Step 2: Convert to fraction form
    544,980.12/817,504.74 = 171,017.88/x
  3. Step 3: Cross multiply
    544,980.12x = 817,504.74 × 171,017.88
  4. Step 4: Simplify right side
    544,980.12x = 139,807,927,524.75
  5. Step 5: Solve for x
    x = 139,807,927,524.75/544,980.12
  6. Step 6: Final answer
    x = 256,537.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.